Update helm and kubectl version

Dockerfile

@@ -1,39 +1,34 @@
 FROM alpine
 
-ARG VCS_REF
-ARG BUILD_DATE
-
-# Metadata
-LABEL maintainer="[email protected]" \
+LABEL maintainer="Marius André Elsfjordstrand Beck <[email protected]>" \
       org.label-schema.build-date=${BUILD_DATE} \
       org.label-schema.vcs-ref=${VCS_REF} \
       org.label-schema.vcs-url="https://github.com/nlnwa/k8s-util" \
-      org.label-schema.name="k8s-util" \                                 
       org.label-schema.url="https://hub.docker.com/r/norsknettarkiv/k8s-util/"
 
+ARG VCS_REF
+ARG BUILD_DATE
+
 ARG DEPENDENCIES="ca-certificates git openssh curl jq"
 
 # Note: Latest version of kubectl may be found at:
-# https://aur.archlinux.org/packages/kubectl-bin/
-ARG KUBE_LATEST_VERSION="v1.12.0"
+# https://github.com/kubernetes/kubectl/releases
+ARG KUBECTL_VERSION="v1.15.2"
 
 # Note: Latest version of helm may be found at:
 # https://github.com/kubernetes/helm/releases
-ARG HELM_VERSION="v2.12.2"
+ARG HELM_VERSION="v2.14.3"
 
-# Note: Latest version of namerctl may be found at:
-# https://github.com/linkerd/namerctl/releases
-ARG NAMERCTL_VERSION="0.8.6"
+ENV HELM_HOST=localhost:44134
 
 RUN apk add --update --no-cache ${DEPENDENCIES} \
-    && wget -q https://storage.googleapis.com/kubernetes-release/release/${KUBE_LATEST_VERSION}/bin/linux/amd64/kubectl \
+    && wget -q https://storage.googleapis.com/kubernetes-release/release/${KUBECTL_VERSION}/bin/linux/amd64/kubectl \
     -O /usr/local/bin/kubectl \
     && chmod +x /usr/local/bin/kubectl \
     && wget -q http://storage.googleapis.com/kubernetes-helm/helm-${HELM_VERSION}-linux-amd64.tar.gz \
-    -O - | tar -xzO linux-amd64/helm > /usr/local/bin/helm \
-    && chmod +x /usr/local/bin/helm \
-    && wget -q https://github.com/linkerd/namerctl/releases/download/${NAMERCTL_VERSION}/namerctl_linux_amd64 \
-    -O /usr/local/bin/namerctl \
-    && chmod +x /usr/local/bin/namerctl
-
-WORKDIR /config
+    && tar -xvf helm-${HELM_VERSION}-linux-amd64.tar.gz \
+    && mv linux-amd64/helm /usr/local/bin \
+    && mv linux-amd64/tiller /usr/local/bin \
+    && rm -rf linux-amd64 \
+    && rm helm-${HELM_VERSION}-linux-amd64.tar.gz \
+    && helm init --client-only --wait